Inlining callJavaScriptMethod
Inlining callJavaScriptMethod

It got small after previous refactorings, and it makes very clear that
messageNotUnderstand either accesses JS or calls some Smalltalk DNU.

adrian-castravete/amber,amber-smalltalk/amber,amber-smalltalk/amber,adrian-castravete/amber,amber-smalltalk/amber,adrian-castravete/amber